Analysis
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max time kernel
119s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2024 04:21
Static task
static1
Behavioral task
behavioral1
Sample
cba8754ae5785da5d3da05cd5fb3d52b77729c64ddb86cd0c79831b8ad75a28c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cba8754ae5785da5d3da05cd5fb3d52b77729c64ddb86cd0c79831b8ad75a28c.exe
Resource
win10v2004-20241007-en
General
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Target
cba8754ae5785da5d3da05cd5fb3d52b77729c64ddb86cd0c79831b8ad75a28c.exe
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Size
908KB
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MD5
b4a1a136d4f08945c12f170963337a25
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SHA1
0635813b35f5a9698d36ce74afacfdf79bba2a69
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SHA256
cba8754ae5785da5d3da05cd5fb3d52b77729c64ddb86cd0c79831b8ad75a28c
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SHA512
ab207b9fbcd4ebe47aeee598fc9ca8871b6ce3ebc28c31e065577a25cda65ceeb9bc3931204f26a7561c1b3c570852edf01a4fa96eb5c8d0bc835eb6bd46460c
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SSDEEP
12288:QqjqRBa80gi+TCUQpd6KA26mY6nltHnhm9FXRJ:QwqN0gi+TCUQvHEFXH
Malware Config
Signatures
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Imminent family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation cba8754ae5785da5d3da05cd5fb3d52b77729c64ddb86cd0c79831b8ad75a28c.exe -
Executes dropped EXE 1 IoCs
pid Process 2236 print.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\model = "C:\\Users\\Admin\\AppData\\Roaming\\model\\print.exe" cba8754ae5785da5d3da05cd5fb3d52b77729c64ddb86cd0c79831b8ad75a28c.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2236 set thread context of 4412 2236 print.exe 100 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cba8754ae5785da5d3da05cd5fb3d52b77729c64ddb86cd0c79831b8ad75a28c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language print.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4412 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4412 RegAsm.exe Token: 33 4412 RegAsm.exe Token: SeIncBasePriorityPrivilege 4412 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4412 RegAsm.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 804 wrote to memory of 2236 804 cba8754ae5785da5d3da05cd5fb3d52b77729c64ddb86cd0c79831b8ad75a28c.exe 99 PID 804 wrote to memory of 2236 804 cba8754ae5785da5d3da05cd5fb3d52b77729c64ddb86cd0c79831b8ad75a28c.exe 99 PID 804 wrote to memory of 2236 804 cba8754ae5785da5d3da05cd5fb3d52b77729c64ddb86cd0c79831b8ad75a28c.exe 99 PID 2236 wrote to memory of 4412 2236 print.exe 100 PID 2236 wrote to memory of 4412 2236 print.exe 100 PID 2236 wrote to memory of 4412 2236 print.exe 100 PID 2236 wrote to memory of 4412 2236 print.exe 100 PID 2236 wrote to memory of 4412 2236 print.exe 100 PID 2236 wrote to memory of 4412 2236 print.exe 100 PID 2236 wrote to memory of 4412 2236 print.exe 100 PID 2236 wrote to memory of 4412 2236 print.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\cba8754ae5785da5d3da05cd5fb3d52b77729c64ddb86cd0c79831b8ad75a28c.exe"C:\Users\Admin\AppData\Local\Temp\cba8754ae5785da5d3da05cd5fb3d52b77729c64ddb86cd0c79831b8ad75a28c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:804 -
C:\Users\Admin\AppData\Roaming\model\print.exe"C:\Users\Admin\AppData\Roaming\model\print.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4412
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:3632
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
908KB
MD500de75462ef6c796ab9e1ca61f6c3f7f
SHA1519015401626f5e4ed4cec040cecf70ef03ff472
SHA256b4ecabc4a8c1459d0e24a1b302ce06974c7f9ad7ee1d267755b17b3a31eeab23
SHA512f329cb011570aeebbbcbbf86f5db5b7e370b373ed52a55f038e81b784c60f2f55bc4a65e1954e40fcd68d9792b3a0db0f9b393423dcdd81abc1d902d48cf2267